Adsterra is a smart technology publisher ad network. They claim 100% fill rates and take pride in their custom solutions. Moreover, the ad network is known to offer the highest CPMs and safety against bad or malware-hit ads through their fraud protection detection systems.
Adsterra offers the most effective web- and mobile-based ad formats, such as interstitial ads, display ads, and direct links, for a website or mobile app inventory respectively. Recently, Adsterra recorded more than 50K campaigns across 248 geographies serving over 25 billion impressions per month.
Model: CPM, CPL, CPA
Minimum traffic: 5,000 impressions per month for pop-unders; 50,000 impressions per month for display banner